QxOrm  1.2.7
C++ Object Relational Mapping library
QxFunction_3.h
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00001 /****************************************************************************
00002 **
00003 ** http://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
00006 ** This file is part of the QxOrm library
00007 **
00008 ** This software is provided 'as-is', without any express or implied
00009 ** warranty. In no event will the authors be held liable for any
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00011 **
00012 ** Commercial Usage
00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
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00015 ** Software or, alternatively, in accordance with the terms contained in
00016 ** a written agreement between you and Lionel Marty
00017 **
00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
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00026 ** If you are unsure which license is appropriate for your use, or
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00031 
00032 #ifndef _QX_FUNCTION_3_H_
00033 #define _QX_FUNCTION_3_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QxFunction/IxFunction.h>
00047 #include <QxFunction/QxParameters.h>
00048 
00049 namespace qx {
00050 
00055 template <class Owner, typename R, typename P1, typename P2, typename P3>
00056 class QxFunction_3 : public IxFunction
00057 {
00058 
00059 public:
00060 
00061    typedef boost::function<R (Owner *, P1, P2, P3)> type_fct;
00062    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00063    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
00064    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00065    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_3);
00066 
00067    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00068    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00069 
00070 private:
00071 
00072    template <class T, bool bReturnValue /* = false */>
00073    struct QxInvokerFct
00074    {
00075       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_3 * pThis)
00076       {
00077          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00078          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00079          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00080          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00081          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); }
00082          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00083       }
00084    };
00085 
00086    template <class T>
00087    struct QxInvokerFct<T, true>
00088    {
00089       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_3 * pThis)
00090       {
00091          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00092          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00093          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00094          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00095          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); if (ret) { (* ret) = boost::any(retTmp); } }
00096          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00097       }
00098    };
00099 
00100 };
00101 
00102 template <typename R, typename P1, typename P2, typename P3>
00103 class QxFunction_3<void, R, P1, P2, P3> : public IxFunction
00104 {
00105 
00106 public:
00107 
00108    typedef boost::function<R (P1, P2, P3)> type_fct;
00109    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00110    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
00111    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00112    QX_FUNCTION_CLASS_FCT(QxFunction_3);
00113 
00114    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00115    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00116 
00117 private:
00118 
00119    template <class T, bool bReturnValue /* = false */>
00120    struct QxInvokerFct
00121    {
00122       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_3 * pThis)
00123       {
00124          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00125          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00126          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00127          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00128          try { pThis->m_fct(p1, p2, p3); }
00129          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00130       }
00131    };
00132 
00133    template <class T>
00134    struct QxInvokerFct<T, true>
00135    {
00136       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_3 * pThis)
00137       {
00138          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00139          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00140          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00141          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00142          try { R retTmp = pThis->m_fct(p1, p2, p3); if (ret) { (* ret) = boost::any(retTmp); } }
00143          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00144       }
00145    };
00146 
00147 };
00148 
00149 namespace function {
00150 
00151 template <class Owner, typename R, typename P1, typename P2, typename P3>
00152 IxFunction_ptr bind_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
00153 {
00154    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00155    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
00156    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<void, R, P1, P2, P3>(fct));
00157    return ptr;
00158 }
00159 
00160 template <class Owner, typename R, typename P1, typename P2, typename P3>
00161 IxFunction_ptr bind_member_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
00162 {
00163    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00164    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
00165    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<Owner, R, P1, P2, P3>(fct));
00166    return ptr;
00167 }
00168 
00169 } // namespace function
00170 } // namespace qx
00171 
00172 #endif // _QX_FUNCTION_3_H_